Add 63/4 and 15/20
1st number: 15 3/4, 2nd number: 15/20
63/4 + 15/20 is 33/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
15/20 = 15 × 1/20 × 1 = 15/20 - Add the two like fractions:
315/20 + 15/20 = 315 + 15/20 = 330/20 - 330/20 simplified gives 33/2
- So, 63/4 + 15/20 = 33/2
In mixed form: 161/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+30/20 63/8+15/20 63/4+15/40 63/4+45/20 63/12+15/20 63/4+15/60 63/4+75/20 63/20+15/20 63/28+15/20